FR2147179A2 - - Google Patents

Info

Publication number: FR2147179A2
Authority: FR; France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

FR7226749A

Other languages

French (fr)

Other versions

FR2147179B2 (en

Inventor

J G Baker

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Polaroid Corp

Original Assignee

Polaroid Corp

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1971-07-28

Filing date

1972-07-25

Publication date

1973-03-09

1972-07-25 Application filed by Polaroid Corp filed Critical Polaroid Corp

1973-03-09 Publication of FR2147179A2 publication Critical patent/FR2147179A2/fr

1974-10-04 Application granted granted Critical

1974-10-04 Publication of FR2147179B2 publication Critical patent/FR2147179B2/fr

Status Expired legal-status Critical Current

Links

Classifications

- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
- G02B9/34—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only
- G02B9/36—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only arranged + -- +
- G02B9/44—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only arranged + -- + both - components being biconcave
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Lenses (AREA)
Camera Data Copying Or Recording (AREA)

FR7226749A 1971-07-28 1972-07-25 Expired FR2147179B2 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US16693371A	1971-07-28	1971-07-28

Publications (2)

Publication Number	Publication Date
FR2147179A2 true FR2147179A2 (en)	1973-03-09
FR2147179B2 FR2147179B2 (en)	1974-10-04

Family

ID=22605269

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7226749A Expired FR2147179B2 (en)	1971-07-28	1972-07-25

Country Status (12)

Country	Link
US (1)	US3695750A (en)
AT (1)	AT334651B (en)
AU (1)	AU463893B2 (en)
BE (1)	BE786824R (en)
CA (1)	CA972196A (en)
CH (1)	CH555547A (en)
DE (1)	DE2235652C2 (en)
FR (1)	FR2147179B2 (en)
GB (1)	GB1331898A (en)
IT (1)	IT1046464B (en)
NL (1)	NL182103C (en)
SE (1)	SE373213B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS54126531A (en) *	1978-03-24	1979-10-01	Minolta Camera Co Ltd	Diopter adjusting eyepiece lens and finder of single lens reflex camera using this
SE468335B (en) *	1988-09-15	1992-12-14	Nova Onab Optica Ab	PROJECTION OPTICS
US20220381955A1 (en) *	2021-05-28	2022-12-01	Zebra Technologies Corporation	Moving front lens group mechanically located to fixed rear lens group

0
- BE BE786824D patent/BE786824R/en active
1971
- 1971-07-28 US US166933A patent/US3695750A/en not_active Expired - Lifetime
1972
- 1972-06-29 GB GB3055972A patent/GB1331898A/en not_active Expired
- 1972-06-30 IT IT51265/72A patent/IT1046464B/en active
- 1972-06-30 NL NLAANVRAGE7209168,A patent/NL182103C/en active
- 1972-07-18 AU AU44692/72A patent/AU463893B2/en not_active Expired
- 1972-07-20 DE DE2235652A patent/DE2235652C2/en not_active Expired
- 1972-07-25 FR FR7226749A patent/FR2147179B2/fr not_active Expired
- 1972-07-26 CA CA148,022A patent/CA972196A/en not_active Expired
- 1972-07-26 CH CH1113372A patent/CH555547A/en not_active IP Right Cessation
- 1972-07-28 SE SE7209869A patent/SE373213B/xx unknown
- 1972-07-28 AT AT652972A patent/AT334651B/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
NL182103C (en)	1988-01-04
IT1046464B (en)	1980-06-30
BE786824R (en)	1973-01-29
NL182103B (en)	1987-08-03
AT334651B (en)	1976-01-25
SE373213B (en)	1975-01-27
DE2235652A1 (en)	1973-03-15
US3695750A (en)	1972-10-03
AU4469272A (en)	1974-01-24
CH555547A (en)	1974-10-31
FR2147179B2 (en)	1974-10-04
AU463893B2 (en)	1975-08-07
ATA652972A (en)	1976-05-15
NL7209168A (en)	1973-01-30
DE2235652C2 (en)	1982-05-06
GB1331898A (en)	1973-09-26
CA972196A (en)	1975-08-05

Publication	Publication Date	Title
ATA136472A (en)	1973-12-15
AR196074A1 (en)	1973-11-30
FR2147179B2 (en)	1974-10-04
AU2658571A (en)	1972-09-21
AU2691671A (en)	1972-09-28
AU465438B2 (en)	1975-09-08
AU2684071A (en)	1972-09-28
AU3005371A (en)	1972-12-21
AU2894671A (en)	1972-11-23
AU2742671A (en)	1972-10-12
AU3025871A (en)	1973-01-04
AU2684171A (en)	1971-07-15
AU2930871A (en)	1972-11-30
AR202997Q (en)	1975-08-08
AU2588771A (en)	1972-08-31
AU1109576A (en)	1976-04-29
AU2755871A (en)	1972-10-19
AU2836771A (en)	1972-11-09
AU2740271A (en)	1972-10-12
AU2726271A (en)	1972-10-05
AU2724971A (en)	1972-10-05
AU2706571A (en)	1971-07-15
AU2837671A (en)	1972-11-09
AU2927871A (en)	1972-11-30
AU2503871A (en)	1972-08-10